Add translation variable for maximum number of allowed files for upload

backend/en/image_incha.json

@@ -31,7 +31,6 @@
         "replace_with": "Replace with",
         "upload_jpg_title": "Upload of an object image (JPG)",
         "prerequisites": "Prerequisites",
-        "prerequisites_filename": "Filename does not contain any umlauts, no dots, no special characters, no spaces",
         "prerequisites_fileformat": "The image has to be a JPG file with a resolution of 72 dpi or 96 dpi",
         "prerequisites_imagesize_general": "The short side should have a MINIMUM of 540px. The long side should have a MAXIMUM of 3000px",
         "prerequisites_imagesize_mussam": "Mininum width of 200px",
@@ -53,7 +52,9 @@
         "annotation_explica": "To annotate an image section, click into the image at the top left of the area you want to annotate. Then, move the cursor to the bottom right of the area to be annotated and release the click. A sidebar will open, offering you to enter your annotation.",
         "added_annotation_translation": "Added annotation translation",
         "updated_annotation_translation": "Updated annotation translation",
-        "deleted_annotation_translation": "Deleted annotation translation"
+        "deleted_annotation_translation": "Deleted annotation translation",
+        "global_max_file_uploads": "Overall, the maximum number of images that can be uploaded in one go is",
+        "image_upload_page_title": "Image upload form"
     },
     "incha_image": {
         "front": "Front view",